Which of the following is a part of system release ?

Which of the following is a part of system release ?

A. electronic and paper documentation describing the system
B. packaging and associated publicity that have been designed for that release
C. an installation program that is used to help install the system on target hardware
D. all of the mentioned

Explanation: Release creation is the process of creating the collection of files and documentation that includes all of the components of the system release.